Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the tread pattern is repeated over the circumference of the tire.

FIG. 2 is an enlarged, fragmentary perspective view of the tire tread of FIG. 1; and,

FIG. 3 is an enlarged, fragmentary plan view of the tire tread of FIG. 1.

The broken lines in the views depict environmental structure that is shown for illustrative purposes only and that does not form any part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 